<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script>
 var geocoder;
  var map;
  function initialize() {
    geocoder = new google.maps.Geocoder();
    var latlng = new google.maps.LatLng(39.6456712, 116.1279623);//-34.397, 150.644);
    var myOptions = {
      zoom: 8,
      center: latlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
  }

  function codeAddress() {
    var address = document.getElementById("address").value;
    if (geocoder) {
      geocoder.geocode( { 'address': address}, function(results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
		  alert(results[0].geometry.location);
          map.setCenter(results[0].geometry.location);
          var marker = new google.maps.Marker({
              map: map, 
              position: results[0].geometry.location
          });
        } else {
          alert("Geocode was not successful for the following reason: " + status);
        }
      });
    }
  }
</script>
<body onload="initialize()">
 <div id="map_canvas" style="width: 320px; height: 480px;"></div>
  <div>
    <input id="address" type="textbox" value="Sydney, NSW">
    <input type="button" value="Encode" onclick="codeAddress()">
  </div>
</body>
</html>
